Ten-year-old Amelia keeps a journal of the summer car trip she takes with her mother and sister to Grand Canyon, Death Valley, and their California hometown to visit Amelia's best friend. When Amelia and her big sister, Cleo, are stuck together in the backseat of a car for a family road trip, there are fights, plenty of sights, and Amelia's best friend, Nadia, at the end of the road!